Ubuntu wireless suddenly stopped working for no reason
I've been using Ubuntu version 6.06 and my wireless internet was working perfectly fine and then suddenly it wasn't. I tried restarting the router and my roommates' wireless still works fine with windows. The wireless card appears to be connected as the lights are still flashing but getting no internet connection. I just keep getting the same message of "No working leases in persistent database - sleeping." Below are the results of iwconfig, iwlist ath0scan, lshw, dhclient eth0, and the contents of my interfaces file. I know that I have the correct name for the server and the password is correct and case sensitive.
I've spent hours trying to fix this can anyone help PLEASE!??? rob@rob-laptop:~$ iwconfig lo no wireless extensions. irda0 no wireless extensions. ath0 IEEE 802.11g ESSID:"cylon god" Mode:Managed Frequency:2.417 GHz Access Point: 00:11:24:00:EB:61 Bit Rate:1 Mb/s Tx-Power:18 dBm Sensitivity=0/3 Retry:off RTS thr:off Fragment thr:off Power Management:off Link Quality=0/94 Signal level=-95 dBm Noise level=-95 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 sit0 no wireless extensions. rob@rob-laptop:~$ sudo iwlist ath0 scan Password: ath0 Scan completed : Cell 01 - Address: 00:11:24:00:EB:61 ESSID:"cylon god" Mode:Master Frequency:2.412 GHz (Channel 1) Quality=31/94 Signal level=-64 dBm Noise level=-95 dBm Encryption key:on Bit Rates:1 Mb/s; 2 Mb/s; 5 Mb/s; 6 Mb/s; 9 Mb/s 11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s 48 Mb/s; 54 Mb/s Extra:bcn_int=100 Extra:wpa_ie=dd180050f20101000050f20201000050f20201000050f20 20000 rob@rob-laptop:~$ sudo lshw rob-laptop description: Notebook product: 26457EU vendor: IBM version: Not Available serial: 78HWNV2 width: 32 bits capabilities: smbios-2.2 dmi-2.2 configuration: boot=normal chassis=notebook uuid=C5C2CA81-43DA-11CB-B669-93E 70C6F745D *-core description: Motherboard product: 26457EU vendor: IBM physical id: 0 version: Not Available serial: J1CXV9974FL *-firmware description: BIOS vendor: IBM physical id: 0 version: ITET48WW (11/30/1999) size: 64KB capacity: 448KB capabilities: isa pci pcmcia pnp apm upgrade shadowing cdboot bootsele ct pcmciaboot edd int13floppy720 int13floppy2880 int5printscreen int9keyboard in t14serial int17printer int10video acpi agp ls120boot *-cpu description: CPU product: Pentium III (Coppermine) vendor: Intel Corp. physical id: 5 bus info: cpu@0 version: 6.8.1 slot: Intel Processor Module size: 450MHz capacity: 450MHz width: 32 bits clock: 100MHz capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr sse *-cache:0 description: L1 cache physical id: a slot: Internal L1 Cache size: 32KB capacity: 32KB capabilities: synchronous internal write-back unified *-cache:1 description: L2 cache physical id: b slot: Internal L2 Cache size: 256KB capacity: 256KB capabilities: pipeline-burst external write-back unified *-memory description: System Memory physical id: 27 slot: System board or motherboard size: 192MB capacity: 512MB *-bank:0 description: DIMM Synchronous physical id: 0 slot: DIMM 0 size: 64MB width: 64 bits *-bank:1 description: DIMM [empty] physical id: 1 slot: DIMM 1 *-bank:2 description: DIMM Synchronous physical id: 2 slot: DIMM 2 size: 128MB width: 64 bits *-pci description: Host bridge product: 440BX/ZX/DX - 82443BX/ZX/DX Host bridge vendor: Intel Corporation physical id: 40000000 bus info: pci@00:00.0 version: 03 width: 32 bits clock: 33MHz resources: iomemory:40000000-43ffffff *-pci description: PCI bridge product: 440BX/ZX/DX - 82443BX/ZX/DX AGP bridge vendor: Intel Corporation physical id: 1 bus info: pci@00:01.0 version: 03 width: 32 bits clock: 66MHz capabilities: pci normal_decode bus_master *-display description: VGA compatible controller product: NM2360 [MagicMedia 256ZX] vendor: Neomagic Corporation physical id: 0 bus info: pci@01:00.0 version: 00 size: 32MB width: 32 bits clock: 33MHz capabilities: vga bus_master cap_list resources: iomemory:e0000000-e1ffffff iomemory:70000000-703fffff iomemory:70400000-704fffff irq:11 *-pcmcia:0 description: CardBus bridge product: PCI1450 vendor: Texas Instruments physical id: 2 bus info: pci@00:02.0 version: 03 width: 32 bits clock: 33MHz capabilities: pcmcia bus_master cap_list configuration: driver=yenta_cardbus resources: iomemory:50103000-50103fff irq:11 *-pcmcia:1 description: CardBus bridge product: PCI1450 vendor: Texas Instruments physical id: 2.1 bus info: pci@00:02.1 version: 03 width: 32 bits clock: 33MHz capabilities: pcmcia bus_master cap_list configuration: driver=yenta_cardbus resources: iomemory:50102000-50102fff irq:11 *-network description: AR5001-0000-0000 product: Wireless LAN Reference Card vendor: Atheros Communications, Inc. physical id: 0 version: 00 slot: Socket 1 resources: irq:11 *-communication UNCLAIMED description: Communication controller product: WinModem 56k vendor: Agere Systems physical id: 3 bus info: pci@00:03.0 version: 01 width: 32 bits clock: 33MHz capabilities: bus_master cap_list resources: iomemory:50101000-501010ff ioport:4500-4507 ioport:4400- 44ff irq:11 *-multimedia description: Multimedia audio controller product: CS 4614/22/24 [CrystalClear SoundFusion Audio Accelerator] vendor: Cirrus Logic physical id: 6 bus info: pci@00:06.0 version: 01 width: 32 bits clock: 33MHz capabilities: bus_master cap_list configuration: driver=Sound Fusion CS46xx resources: iomemory:50100000-50100fff iomemory:50000000-500fffff ir q:11 *-bridge:0 UNCLAIMED description: Bridge product: 82371AB/EB/MB PIIX4 ISA vendor: Intel Corporation physical id: 7 bus info: pci@00:07.0 version: 02 width: 32 bits clock: 33MHz capabilities: bridge bus_master *-ide description: IDE interface product: 82371AB/EB/MB PIIX4 IDE vendor: Intel Corporation physical id: 7.1 bus info: pci@00:07.1 version: 01 width: 32 bits clock: 33MHz capabilities: ide bus_master configuration: driver=PIIX_IDE resources: ioport:fcf0-fcff *-ide:0 description: IDE Channel 0 physical id: 0 bus info: ide@0 logical name: ide0 clock: 33MHz *-disk description: ATA Disk product: TOSHIBA MK2018GAS vendor: Toshiba physical id: 0 bus info: ide@0.0 logical name: /dev/hda version: Q2.02 A serial: 62NG4027T size: 18GB capacity: 18GB capabilities: ata dma lba iordy smart security pm apm partiti oned partitioned:dos configuration: apm=off mode=udma2 smart=on *-volume:0 description: Linux filesystem partition physical id: 1 bus info: ide@0.0,1 logical name: /dev/hda1 capacity: 17GB capabilities: primary bootable *-volume:1 description: Extended partition physical id: 2 bus info: ide@0.0,2 logical name: /dev/hda2 capacity: 729MB capabilities: extended partitioned partitioned:extended *-ide:1 description: IDE Channel 1 physical id: 1 bus info: ide@1 logical name: ide1 clock: 33MHz *-cdrom description: DVD reader product: TOSHIBA DVD-ROM SD-C2302 vendor: Toshiba physical id: 0 bus info: ide@1.0 logical name: /dev/hdc version: 1617 serial: 2000007291 capabilities: packet atapi cdrom removable nonmagnetic dma lb a iordy audio dvd *-disc physical id: 0 logical name: /dev/hdc *-usb description: USB Controller product: 82371AB/EB/MB PIIX4 USB vendor: Intel Corporation physical id: 7.2 bus info: pci@00:07.2 version: 01 width: 32 bits clock: 33MHz capabilities: uhci bus_master configuration: driver=uhci_hcd resources: ioport:4000-401f irq:11 *-usbhost product: UHCI Host Controller vendor: Linux 2.6.15-52-386 uhci_hcd physical id: 1 bus info: usb@1 logical name: usb1 version: 2.06 capabilities: usb-1.10 configuration: driver=hub maxpower=0mA slots=2 speed=12.0MB/s *-usb description: Mass storage device product: U3 Cruzer Micro vendor: SanDisk physical id: 1 bus info: usb@1:1 logical name: scsi1 version: 2.00 serial: 0876520EF180CC5B capabilities: usb-2.00 scsi emulated scsi-host configuration: driver=usb-storage maxpower=100mA speed=12.0MB /s *-disk description: SCSI Disk product: U3 Cruzer Micro vendor: SanDisk physical id: 0.0.0 bus info: scsi@1:0.0.0 logical name: /dev/sda version: 8.01 serial: u size: 1908MB capabilities: removable *-disc physical id: 0 logical name: /dev/sda size: 1908MB capabilities: partitioned partitioned:dos *-volume description: FAT16 partition physical id: 1 logical name: /dev/sda1 capacity: 1907MB capabilities: primary *-cdrom description: SCSI CD-ROM product: U3 Cruzer Micro vendor: SanDisk physical id: 0.0.1 bus info: scsi@1:0.0.1 logical name: /dev/cdrom logical name: /dev/scd0 logical name: /dev/sr0 version: 8.01 serial: uSanDisk U3 Cruzer Micro 8.01 capabilities: removable audio *-disc physical id: 0 logical name: /dev/cdrom *-bridge:1 UNCLAIMED description: Bridge product: 82371AB/EB/MB PIIX4 ACPI vendor: Intel Corporation physical id: 7.3 bus info: pci@00:07.3 version: 03 width: 32 bits clock: 33MHz capabilities: bridge resources: irq:9 *-network description: Wireless interface product: Atheros Communications, Inc. vendor: Atheros Communications, Inc. physical id: 1 bus info: pci@06:00.0 logical name: ath0 version: 01 serial: 00:13:f7:59:6b:90 width: 32 bits clock: 33MHz capabilities: bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=ath_pci driverversion=0.9.6.0 (EXP ERIMENTAL) multicast=yes wireless=IEEE 802.11g resources: iomemory:16000000-1600ffff irq:11 *-battery description: Lithium Ion Battery product: Not Available vendor: IBM physical id: 1 version: Not Available serial: Not Available slot: in the back, on the center capacity: 32400mWh configuration: voltage=10.8V rob@rob-laptop:~$ sudo dhclient eth0 Internet Systems Consortium DHCP Client V3.0.3 Copyright 2004-2005 Internet Systems Consortium. All rights reserved. For info, please visit http://www.isc.org/products/DHCP SIOCSIFADDR: No such device eth0: ERROR while getting interface flags: No such device eth0: ERROR while getting interface flags: No such device Bind socket to interface: No such device rob@rob-laptop:~$ sudo ifdown ath0 Internet Systems Consortium DHCP Client V3.0.3 Copyright 2004-2005 Internet Systems Consortium. All rights reserved. For info, please visit http://www.isc.org/products/DHCP Listening on LPF/ath0/00:13:f7:59:6b:90 Sending on LPF/ath0/00:13:f7:59:6b:90 Sending on Socket/fallback DHCPRELEASE on ath0 to 192.168.1.1 port 67 send_packet: Network is unreachable send_packet: please consult README file regarding broadcast address. rob@rob-laptop:~$ sudo ifup ath0 Internet Systems Consortium DHCP Client V3.0.3 Copyright 2004-2005 Internet Systems Consortium. All rights reserved. For info, please visit http://www.isc.org/products/DHCP Listening on LPF/ath0/00:13:f7:59:6b:90 Sending on LPF/ath0/00:13:f7:59:6b:90 Sending on Socket/fallback DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 8 DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 9 DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 14 DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 19 DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 11 No DHCPOFFERS received. No working leases in persistent database - sleeping. rob@rob-laptop:~$cat /etc/network/interfaces auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp auto eth1 iface eth1 inet dhcp auto eth2 iface eth2 inet dhcp auto wlan0 iface wlan0 inet dhcp auto ath0 iface ath0 inet dhcp wireless-essid cylon god wireless-key s:goodgoodgood |
Please post output of "dhclient ath0"
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